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Monitoring & Control System



Sealite's class leading, low powered AIS (Automatic Identification System) Solutions are available in Type 1 or Type 3 and operate on the International VHF Maritime Mobile Band, enabling Port Authorities and other users to remotely monitor the real-time status of their AtoN installations.


Developed using SRT MARINE TECHNOLOGY’S third generation technology, Sealite’s AIS solutions are available integrated within a range of Sealite marine lanterns or as a stand-alone Aid to Navigation unit (SL-AIS-C).


Tested and internationally approved to the highest specifications, Sealite’s AIS solutions are suitable worldwide.


Integrated AIS Solutions

Sealite’s AIS solutions can be configured to a range of Sealite products, including solar marine lanterns and marine buoys.


The Apollo range of long range lanterns may be fitted with internal AIS. VHF and GPS antennas to support AIS are fitted directly to the lantern.


Stand Alone AIS Solution (SL-AIS-C)

Advanced core technology within Sealite’s SL-AIS-C AtoN ensures both Type 1 and Type 3 variants offer the lowest power consumption on the market. The toughened, triple protected shell incorporates an internal GPS antenna and optional sensor interface module.



  • Type 1 & Type 3 models available

  • Complete AIS solutions displaying accurate positioning & operational information about the AtoN in real time

  • Class leading power consumption sets a new global standard

  • Supports real, synthetic & virtual AIS AtoNs

  • Supports Messages 21, 6, 7, 8, 12, 13, 14 & 35 (dependant of hardware & software configuration)

  • Operates on the International VHF Maritime Mobile Band

  • Fully compliant with IALA, IEC & ITU standards

  • Enhances operational awareness

  • Enhanced sensor module allows environmental data monitoring

  • Reduces maintenance & call-out costs



  • Improved maritime domain awareness

  • Accurate real-time monitoring of buoy positions in all weather conditions

  • Dynamic marketing of shipping lanes

  • Instant marketing of new hazards with virtual AtoN projected feature

  • Automatic alerts in the event of buoy or lantern malfunction




Type 1 AIS

A Type 1 AIS AtoN utilises FATDMA (Fixed Access Time Division Multiple Access) scheme and only transmits in reserved time slots as assigned by the local AIS base station. The AtoNs operational status and positioning is sent via Message 21 and provided to mariners in the broadcasting region. Message 6 monitors the solar and battery voltage, flash code setting and light status and is sent to the designated base station.


Type 3 AIS

A Type 3 AIS AtoN has the additional capability to transmit and receive messages and utilises the RATDMA (Random Access Time Division Multiple Access) scheme. This allows the AtoN to autonomously allocate slots for its own transmission by listening to AIS frequencies and determining which slots are available for use. Type 3 AIS can be installed at any location with or without a base station and is able to 'chain' several units together to extend transmission range. Plus, with Type 3 AIS you can remotely control the function of the lantern, including flash character, ON/OFF activation and intensity settings.



Sealite’s cost effective GSM Monitoring & Control System provides an array of options for your lantern including remote control over flash code and intensity settings, and other features for GSM-enabled lanterns.



  • Monitor lantern status using any cell-phone, email address or Sealite's secure web portal 

  • Reports alarm conditions to designated cell-phone numbers (SMS text) & email addresses

  • View daily/monthly/yearly lantern diagnostics or receive the information via email 

  • Enables proactive maintenance scheduling

  • Lantern only responds to authorised users

  • Low cost monitoring 

  • Worldwide functionality 


Remotely Monitor 

  • Battery voltage

  • Solar module charging current

  • Lantern current draw

  • Lantern GPS position - latitude & longitude (* when GPS module is fitted to lantern)

  • Day/night on status

  • Current operational mode

  • Current flash code setting

  • Current intensity setting


Set Alarm Triggers for Pro-Active Maintenance 

  • Lantern failure

  • Low battery

  • Off-station - moves from position (*when GPS module is fitted to lantern)


Remotely Control

  • Flash code setting

  • Intensity setting

  • Operation mode



GSM Monitoring & Control is available with a range of Sealite marine lanterns and leading lights.



Sealite’s Radio Control System is designed to permit port and marina authorities to directly control the operation of single or grouped lanterns via a portable handheld radio controller.



  • 2.4GHz worldwide accepted radio control

  • Monitor & control lanterns via portable handheld radio controller unit

  • Light-weight short-range RF controller features LCD screen, RF aerial, integrated battery, battery recharge & PC interface connection point, & press buttons to easily control light parameters

  • No base station or external aerials required (for radio controlled lanterns)

  • Cost effective 


Controlled by a menu driven 2.4GHz handheld transceiver or PC interface, lanterns may be;

  • Activated or deactivated

  • Flash character changed to any of the 256 IALA codes available

  • Intensity adjusted up to 8 levels

  • Lanterns set to group flash synchronisation

  • Lantern colour changed from green to red and other combinations (up to 3 different colours controlled independently)



  • Waterway control of traffic

  • Indication of periodic closure to designated areas to marine traffic

  • Warnings of discharging or hazardous material    












For flash synchronisation of lanterns installed over longer ranges, Sealite has developed an advanced GPS system. Lanterns are fitted with an internally integrated GPS module which also enables the lights to maintain their high IP68 waterproof rating.


  • Long range flash synchronisation via GPS satellites

  • Synchronisation of independently flashing lanterns installed over longer distances to clearly mark channels & entrances

  • Easy to use - simply set lanterns to the same flash pattern & they will automatically come into synchronisation 

  • No limitation on distances or objects between lanterns

  • Each lantern operates independently (no operator intervention required)

  • Internal GPS module with no external components required, maintaining IP68 waterproof rating of lantern

  • Clear identification of AtoNs against confusing background lighting achieved when lights flash in unison

  • Inbuilt allowing for easy installation


SeaFlare™ Technology


The inbuilt GPS receiver and advanced software of the Sealite synchronised lanterns allow for the adoption of SeaFlare™ channel marking – a unique system that cascades the flash synchronisation of channel lanterns in a uni or bi-directional flash pattern.


In Australia, the Port of Melbourne Corporation has adopted this technology from Sealite to clearly identify the channel leading into Station Pier – an area that regularly accommodates some of the world’s largest passenger vessels.


The neighbouring Port of Geelong utilise this technology to safely guide Afromax Tankers among other large sized vessels into harbour.


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